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putting my GTR back togeather tonight and i was wondering what these two hoses that were blocked off by the previous owner do, and if i should return them to factory.

in this image its the hose curling back around inside the bay, it has a bolt in the end! it is connected on the same rail as my outlet side for my boost controller

post-20826-1177548202.jpg

in this image it comes off the same assembly, but different rail and further down?

post-20826-1177548407.jpg

also should i use liquid gasket along with the normal gaskets for the throttle bodies or will the normal nissan one be sufficient and sealing the air?

post-20826-1177548235.jpg

Edited by Keeper
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https://www.sau.com.au/forums/topic/166106-please-help-gtr-hose-identification/
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ok the back one (yellow stripe) goes to the rear of the plenum, next to the other two large ones.

the first picture shows two lines one is for the factory boost sensor from memory.

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